<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			div{
				width: 200px;
				height: 143px;
				border: 5px solid blue;
				margin: 0 auto;
				margin-top: 300px;				
			}
			
			div img{
				width: 200px;
				height: 143px;				
			}
			
			div:hover{
				/* div放大2倍，里面的img也会放大2倍 */
				transform: scale(2);
			}
		</style>
	</head>
	<body>
		<div>
			<img src="img/food-1.jpg" alt="">
		</div>
	</body>
</html>
